One Piece.S06E148.Legendary Family! Noland, the Liar!

The Straw Hats meet with Mont Blanc Cricket on another part of Jaya; Cricket is a descendant of Montblanc Noland, an infamous "liar" who told of a gold city on Jaya, and Cricket was outcast for looking for artifacts of the gold city. He may be the only person who knows how to get to Skypiea.